US Bridges

Stellhorn RD over Koester Drain

Fair

Allen County, Indiana · 00.40 W Schwartz Road · Structure no. 0200080

Built
1970
55 years old, rebuilt 2005
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
3,788
2018 count
Owner
County
County Highway Agency

About this bridge

Stellhorn RD over Koester Drain is a prestressed concrete box beam or girders - multiple carrying Stellhorn RD over Koester Drain in Allen County, Indiana. It was built in 1970 and reconstructed in 2005, so it is 55 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,788 vehicles a day, roughly 5% of them trucks, projected to reach 6,295 by 2038. The structure is 51 ft (15.5 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStellhorn RD
CrossesKoester Drain
Location00.40 W Schwartz Road
RouteCity Street 0
StateIndiana
Coordinates41.12211, -85.01151
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.4 US tons
Inventory rating37.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span49 ft (15 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,788 (2018)
Projected traffic6,295 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stellhorn RD over Koester Drain built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2005.

What condition is Stellhorn RD over Koester Drain in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Stellhorn RD over Koester Drain carry?

About 3,788 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Stellhorn RD over Koester Drain?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (15 m) and a deck 36 ft wide.

Who owns Stellhorn RD over Koester Drain?

It is owned by the County Highway Agency.